/* 5.6.0 高校开发者招募页（在 studio-v2.css 的基础上） */
.jn .s-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px); }
.jn h1, .jn h2, .jn h3 { color: var(--ink); }
.jn-hero { max-width: 1280px; margin: 0 auto; padding: 70px 10px 40px; display: grid; grid-template-columns: 1.15fr 1fr; gap: 50px; align-items: center; }
.jn-hero h1 { margin: 0; font-size: clamp(34px, 4.4vw, 60px); line-height: 1.3; letter-spacing: -2px; font-weight: 750; }
.jn-hero h1 span { color: var(--blue); }
.jn-hero-copy > p { margin: 22px 0 0; font-size: 15px; line-height: 2; color: var(--muted); max-width: 34em; }
.jn-hero-copy > p b { color: var(--ink); }
.jn-hero-act { display: flex; align-items: center; gap: 24px; margin-top: 28px; flex-wrap: wrap; }
.jn-hero-act .s-button { gap: 18px; }
.jn-facts { list-style: none; padding: 0; margin: 36px 0 0; display: flex; gap: 30px; flex-wrap: wrap; }
.jn-facts li { display: flex; align-items: center; gap: 10px; }
.jn-facts b { font: 700 38px/1 var(--numeric); color: var(--blue); }
.jn-facts span { font-size: 11.5px; line-height: 1.55; color: var(--muted); }
.jn-term { background: #172c36; border-radius: 18px; overflow: hidden; box-shadow: 0 30px 60px -30px #0e2240aa; transform: rotate(1.2deg); }
.jn-term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; background: #0f1f26; }
.jn-term-bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff6159; } .jn-term-bar i:nth-child(2) { background: #ffbd2e; } .jn-term-bar i:nth-child(3) { background: #28c941; }
.jn-term-bar span { margin-left: 10px; color: #7f9499; font: 12px/1 ui-monospace, Menlo, Consolas, monospace; }
.jn-term pre { margin: 0; padding: 22px 24px 26px; color: #e7eef0; font: 13px/2 ui-monospace, Menlo, Consolas, monospace; white-space: pre-wrap; word-break: break-all; }
.jn-term .c { color: #7f9499; } .jn-term .g { color: #6ee7a8; } .jn-term .y { color: #ffd5ac; } .jn-term .m { color: #8fa3ff; }

.jn-why { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.jn-why article, .jn-dirs article { padding: 24px; border-radius: 18px; background: #fff; border: 1px solid var(--edge); }
.jn-why span { font-size: 28px; }
.jn-why h3, .jn-dirs h3 { margin: 12px 0 6px; font-size: 16.5px; }
.jn-why p, .jn-dirs p { margin: 0; font-size: 12.5px; line-height: 1.85; color: var(--muted); }
.jn-dirs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.jn-dirs article { cursor: pointer; transition: transform .2s, box-shadow .2s, border-color .2s; display: flex; flex-direction: column; }
.jn-dirs article:hover, .jn-dirs article:focus-visible { transform: translateY(-3px); border-color: #b9c0f5; box-shadow: 0 18px 30px -24px #293dc770; outline: none; }
.jn-dirs article.hot { background: linear-gradient(160deg, #fff4e6, #fff 60%); border-color: #ffd5ac; }
.jn-dir-top { display: flex; align-items: center; justify-content: space-between; font-size: 26px; }
.jn-dir-top em { font-style: normal; font-size: 11px; font-weight: 700; color: #b8691a; background: #ffe7cc; padding: 3px 10px; border-radius: 99px; }
.jn-dirs small { margin-top: auto; padding-top: 14px; font: 600 11px/1.5 var(--numeric); color: #788682; }

.jn-steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: s; }
.jn-steps li { position: relative; padding: 24px 22px; border-top: 3px solid var(--blue); background: #fff; border-radius: 4px 4px 16px 16px; }
.jn-steps b { font: 700 13px/1 var(--numeric); color: var(--blue); }
.jn-steps h3 { margin: 12px 0 6px; font-size: 16px; }
.jn-steps p { margin: 0; font-size: 12.5px; line-height: 1.8; color: var(--muted); }
.jn-stack { margin-top: 22px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
.jn-stack > div { padding: 22px 24px; border-radius: 16px; background: #edeee5; }
.jn-stack h3 { margin: 0 0 6px; font-size: 15px; }
.jn-stack p, .jn-repo span { margin: 0; font-size: 12.5px; line-height: 1.9; color: #34484f; }
.jn-repo { background: #172c36 !important; } .jn-repo span { color: #c3d3d6; } .jn-repo a { color: #ffd5ac; }

.jn-apply { display: grid; grid-template-columns: .85fr 1.15fr; gap: 50px; padding: 50px 56px; border-radius: 26px; background: #fff; border: 1px solid var(--edge); }
.jn-apply-copy h2 { margin: 0; }
.jn-apply-copy p { color: var(--muted); font-size: 13px; line-height: 1.9; }
.jn-contact { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.jn-contact a, .jn-contact span { font-size: 13px; font-weight: 600; color: var(--ink); text-decoration: none; }
.jn-form { display: grid; gap: 16px; }
.jn-form label, .jn-form legend { display: grid; gap: 7px; font-size: 12.5px; font-weight: 650; color: var(--ink); }
.jn-form label i { color: #e0683a; font-style: normal; display: inline; }
.jn-form fieldset { border: 0; padding: 0; margin: 0; }
.jn-form legend { margin-bottom: 8px; padding: 0; }
.jn-form input, .jn-form textarea { width: 100%; box-sizing: border-box; padding: 12px 14px; border-radius: 11px; border: 1px solid var(--edge); background: var(--paper); font: 14px/1.6 var(--font); color: var(--ink); outline: none; transition: border-color .2s, background .2s; }
.jn-form input:focus, .jn-form textarea:focus { border-color: var(--blue); background: #fff; }
.jn-form textarea { resize: vertical; min-height: 96px; }
.jn-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.jn-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.jn-chip { padding: 8px 14px; border-radius: 99px; border: 1px solid var(--edge); background: var(--paper); font: 600 12.5px/1.3 var(--font); color: var(--ink); cursor: pointer; transition: all .15s; }
.jn-chip.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.jn-chip.on::before { content: "✓ "; }
.jn-hp { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; opacity: 0; }
.jn-form .s-button { justify-self: start; gap: 18px; border: 0; cursor: pointer; font-family: var(--font); }
.jn-form .s-button:disabled { opacity: .6; cursor: wait; }
.jn-msg { margin: 0; min-height: 1.6em; font-size: 13px; font-weight: 600; }
.jn-msg.ok { color: #1f8a5b; } .jn-msg.err { color: #d0452f; }

.jn-admin-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.jn-app { padding: 18px; border-radius: 16px; background: #fff; border: 1px solid var(--edge); font-size: 12.5px; }
.jn-app.st-joined { border-color: #9ad6b6; } .jn-app.st-skip { opacity: .55; }
.jn-app-h { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.jn-app-h b { font-size: 15px; } .jn-app-h span { color: var(--muted); } .jn-app-h time { margin-left: auto; color: #9aa5a8; font-size: 11px; }
.jn-app-b { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 8px; } .jn-app-b a { color: var(--blue); word-break: break-all; }
.jn-app-d { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; } .jn-app-d i { font-style: normal; background: var(--lilac); color: var(--blue-deep); padding: 2px 8px; border-radius: 6px; font-size: 11.5px; }
.jn-app-p { margin: 8px 0 0; color: #34484f; line-height: 1.75; white-space: pre-wrap; }
.jn-app-s { display: flex; gap: 6px; margin-top: 12px; flex-wrap: wrap; }
.jn-app-s button { border: 1px solid var(--edge); background: var(--paper); border-radius: 8px; padding: 4px 10px; font: 600 11.5px/1.4 var(--font); cursor: pointer; }
.jn-app-s button.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.jn-empty { color: var(--muted); }

@media (max-width: 1350px) { .jn-hero { margin: 0 42px; padding-left: 0; padding-right: 0; } }
@media (max-width: 1100px) { .jn-why { grid-template-columns: 1fr 1fr; } .jn-dirs { grid-template-columns: 1fr 1fr; } .jn-steps { grid-template-columns: 1fr 1fr; } .jn-apply { grid-template-columns: 1fr; gap: 26px; padding: 40px; } }
@media (max-width: 850px) { .jn-hero { grid-template-columns: 1fr; gap: 36px; padding-top: 40px; } .jn-stack { grid-template-columns: 1fr; } }
@media (max-width: 600px) {
  .jn-hero { margin: 0 16px; padding-top: 28px; }
  .jn-hero h1 { font-size: 34px; letter-spacing: -1px; }
  .jn-hero-copy > p { font-size: 14px; }
  .jn-facts { gap: 18px; } .jn-facts b { font-size: 30px; }
  .jn-term { transform: none; } .jn-term pre { font-size: 11.5px; padding: 16px; }
  .jn-why, .jn-dirs, .jn-steps, .jn-row2 { grid-template-columns: 1fr; }
  .jn-apply { padding: 26px 18px; border-radius: 20px; }
  .jn .s-nav { display: none; }
}